1165827 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 709152.

The previous prime is 1165823. The next prime is 1165831. The reversal of 1165827 is 7285611.

It is an interprime number because it is at equal distance from previous prime (1165823) and next prime (1165831).

It is not a de Polignac number, because 1165827 - 2² = 1165823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1165794 and 1165803.

It is not an unprimeable number, because it can be changed into a prime (1165823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6424 + ... + 6602.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1165827 is an apocalyptic number.

1165827 is a deficient number, since it is larger than the sum of its proper divisors (527613).

1165827 is a wasteful number, since it uses less digits than its factorization.

1165827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 3360, while the sum is 30.

The square root of 1165827 is about 1079.7346896344. The cubic root of 1165827 is about 105.2473984872.

The spelling of 1165827 in words is "one million, one hundred sixty-five thousand, eight hundred twenty-seven".